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Code No: 07A10291
Set No. 1
I B.Tech Regular Examinations, May/Jun 2008
ENGINEERING DRAWING
( Common to Electrical & Electronic Engineering, Electronics &
Instrumentation Engineering and Electronics & Computer Engineering)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks

1. The vertex of a hyperbola is 65mm from its fo cus. Draw the curve if the eccentricity
is 3/2. Draw a normal and a tangent at a point on the curve, 75 mm from the
directrix. [16]

2. Show by means of a drawing that when the diameter of the directing circle is twice
that of the generating circle, the hypocycloid is a straight line. Take the diameter
of the generating circle equal to 50mm. [16]

3. (a) A point A is 2.5 cm above the H.P. and 3 cm infront of the V.P. Draw its
Projections.
(b) A point A is 2 cm below the H.P. and 4 cm behind the V.P. Draw its Projec-
tions.
(c) Two points A and B are in the H.P. The point A is 30mm in front of the V.P.,
while B is behind the V.P. The distance between their projectors is 75mm
and the line joining their top views makes an angle of 450 with xy. Find the
distance of the point B form the V.P. [4+4+8]

4. A line AB 120mm long is inclined at 450 to the H.P. and 300 to the V.P. Its mid
point C is in V.P. and 20mm above H.P. The end A is in the third quadrant, and
B is in the rst quadrant Draw the projections of the line. [16]

5. (a) A regular pentagon of 25mm side has one side on the ground. Its plane is
inclined at 450 to the H.P. and perpendicular to the V.P. Draw its projections.
(b) Draw the projections of a circle of 5cm diameter, having its plane vertical and
inclined at 300 to the V.P. Its centre is 3cm above the H.P. and 2cm in front
of the V.P. [8+8]

6. (a) Draw the pro jections of a hexagonal prism of base 25mm and axis 60mm long,
when it is resting on one of its corners of the base on H.P. The axis of the
solid is inclined at 450 to H.P.
(b) Draw the pro jections of a pentagonal prism of base 25mm side and axis 50mm
long, when it is resting on one of its rectangular faces on H.P., the axis of the
solid is inclined at 450 to V.P. [8+8]

7. Draw the isometric view of a Door-Steps having three steps of 22cm tread and 15cm
rise. The steps measure 75cm widthwise. [16]


Code No: 07A10291
Set No. 1
8. Draw the following views of the block shown in gure 8. All dimensions are in mm.

Figure 8

(a) Front View.
(b) Top view

(c) Both side views. [16]


Code No: 07A10291
Set No. 2
ENGINEERING DRAWING

1. The fo ci of an ellipse are 80mm apart and the minor axis is 55mm long. Determine
the length of the major axis and draw the ellipse by concentric-circle method. Draw
a curve parallel to the ellipse and 20mm away from it. [16]

2. A circle of 50mm diameter rolls on the circumference of another circle of 175mm
diameter and outside it. Trace the locus of a point on the circumference of the
rolling circle for one complete revolution. Name the curve. Draw a tangent and a
normal to the curve at a point 125mm from the center of the directing circle. [16]

3. (a) A point A is 2.5 cm above the H.P. and 3 cm infront of the V.P. Draw its
Projections.
(b) A point A is 2 cm below the H.P. and 4 cm behind the V.P. Draw its Projec-
tions.
(c) Two points A and B are in the H.P. The point A is 30mm in front of the V.P.,
while B is behind the V.P. The distance between their projectors is 75mm
and the line joining their top views makes an angle of 450 with xy. Find the
distance of the point B form the V.P. [4+4+8]

4. (a) A 100mm long line is parallel to and 40mm above the H.P. Its two ends are
25mm and 50mm in front of the V.P. respectively. Draw it pro jections and
nd its inclination with the V.P.
(b) A line AB, 50mm long, has its end A in both the H.P. and the V.P. Its is
included at 300 to the H.P and at 450 to the V.P. Draw its pro jections. [8+8]

5. A circular plane of 60mm diameter, rests on V.P. on a point A on its circumference.
Its plane is inclined at 450 to V.P. Draw the projections of the plane when

(a) The front view of the diameter AB makes 300 with H.P. and
(b) The diameter AB itself makes 300 with H.P.
[16]

6. (a) Draw the projections of a triangular prism, base 40 mm side and axis 50 mm
long, resting on one of its bases on the H.P. with a vertical face perpendicular
to the V.P.
(b) A cube of 50mm long edges is resting on the H.P. with its Vertical faces equally
inclined to the V.P. Draw its pro jections.


Code No: 07A10291
Set No. 2
(c) A triangular prism, base 40 mm side and height 65 mm is resting on the H.P.
on one of its rectangular faces with the axis parallel to the V.P. Draw its
pro jections. [4+8+4]
7. Draw the isometric view of the ribbed angle plate, Shown in gure 7 All dimensions
are in mm. [16]

Figure 7

8. Draw the front view, top view and left side views of V- block as shown in gure.8.
All dimensions are in mm [16]

Figure 8


Code No: 07A10291
Set No. 3
ENGINEERING DRAWING

1. Two straight lines OA and OB make an angle of 750 between them. P is a point
40mm from OA and 50mm from OB. Draw a hyperbola through P, with OA and
OB as asympotes, marking at least ten points. [16]

2. A circle of 35mm diameter rolls on a horizontal line. Draw the curve traced out by a
point R on the circumference for one half revolution of the circle. For the remaining
half revolution, the circle rolls on the vertical line. The point R vertically above
the center of the circle in the starting position. [16]

3. (a) A point P is 15mm above the H.P. and 20mm in front of the V.P. Another
point Q is 25mm behind the V.P. and 40mm below the H.P. Draw projections
of P and Q keeping the distance between their projectors equal to 90mm.
Draw straight lines joining
i. their top views and
ii. their front views.
(b) A point 30mm above xy line is the plan view of two points P and Q. the
elevation of P is 45mm above the H.P. while that of the point Q is 35mm
below the H.P. Draw the pro jections of the points and state their position
with reference to the principal planes and the quadrant in which they lie.
[8+8]

4. (a) A 100mm long line is parallel to and 40mm above the H.P. Its two ends are
25mm and 50mm in front of the V.P. respectively. Draw it pro jections and
nd its inclination with the V.P.
(b) A line AB, 50mm long, has its end A in both the H.P. and the V.P. Its is
included at 300 to the H.P and at 450 to the V.P. Draw its pro jections. [8+8]

5. A regular hexagonal plane of 30mm side, has a corner at 20mm from V.P. and
50mm from H.P. Its surface is inclined at 450 to V.P. and perpendicular to H.P.
Draw the projections of the plane. [16]

6. (a) Draw the pro jections of a pentagonal pyramid, base 30 mm edge and axis
50mm long, having its base on the H.P. and an edge of the base parallel to
the V.P. Also draw its side view.
(b) Draw the projections of a hexagonal pyramid, base 30 mm side and axis 60
mm long, having its base on the H.P. and one of the edges of the base inclined


Code No: 07A10291
Set No. 3
(c) A square pyramid, base 40mm side and axis 65mm, long has its base in the
V.P. One edge of the base is inclined at 300 to the H.P. and a corner contained
by that edge is on the H.P. Draw its Projections. [4+8+4]
7. Draw the isometric view of the block, two views of which are shown in gure 7.
(All dimensions are in mm). [16]

Figure 7
8. Draw the front view, top view and left side views of V- block as shown in gure.8.
All dimensions are in mm [16]

Figure 8


Code No: 07A10291
Set No. 4
ENGINEERING DRAWING

1. (a) Inscribe an ellipse in a parallelogram having sides 150mm and 100mm long
and an inclined angle of 1200.
(b) Draw a rectangle having its sides 125mm and 75mm long. Inscribe two parabo-
las in it with their axis bisecting each other. [8+8]

2. Draw a hypo cycloid of a circle of 30mm diameter which rolls inside another circle
of 160mm diameter, for one revolution counter clo ck wise. Draw a tangent and a
normal to it at a point 60mm from the center of the directing circle. [16]

3. Draw the pro jections of the following points on the same ground line, keeping the
Projectors 20mm apart.

(a) Point C, in the V.P. and 40mm above the H.P.
(b) Point D, 25mm below the H.P. and 25mm behind the V.P.

(c) Point E,15mm above the H.P. and 50mm behind the V.P.
(d) Point F, 40mm below the H.P. and 25mm infront of the V.P. [4×4]

4. A line AB of 70mm long, has its end A at 10mm above H.P. and 15mm in front of
V.P. Its front view and top view measure 50mm and 60mm respectively. Draw the
pro jections of the line and determine its inclinations with H.P. and V.P. [16]

5. Draw the pro jections of a circle of 60 mm diameter, resting on V.P. on a point on
the circumference. The plane is inclined at 450 to V.P. and perpendicular to H.P.
The centre of the plane is 40mm above H.P. [16]

6. (a) Draw the projections of
i. a cylinder, base 40 mm diameter and axis 50 mm long, and
ii. a cone, base 40mm diameter and axis 50mm long,
resting on the H.P. on their respective bases.
(b) A hexagonal prism has one of its rectangular faces parallel to the H.P. Its axis
is perpendicular to the V.P. and 3.5 cm above the ground. Draw its projections
when the nearer end is 2 cm in front of the V.P. Side of base 2.5cm long, axis
5 cm long.
(c) A cube of 40mm side rests with one of its square faces on the H.P. such that
one of its vertical faces is perpendicular to V.P. Draw its projections. The


Code No: 07A10291
Set No. 4
7. Draw the isometric view of the ribbed angle plate, Shown in gure 7 All dimensions
are in mm. [16]

Figure 7

8. Draw the elevation, plan, left and right side views of the part shown in the gure
8. (All dimensions are in mm). [16]

Figure 8

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